From owner-freebsd-doc@freebsd.org Fri Dec 16 17:23:17 2016 Return-Path: Delivered-To: freebsd-doc@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5AC77C81B2E for ; Fri, 16 Dec 2016 17:23:17 +0000 (UTC) (envelope-from allanjude@freebsd.org) Received: from mx1.scaleengine.net (mx1.scaleengine.net [209.51.186.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 389C8173B for ; Fri, 16 Dec 2016 17:23:16 +0000 (UTC) (envelope-from allanjude@freebsd.org) Received: from [192.168.1.10] (unknown [192.168.1.10]) (Authenticated sender: allanjude.freebsd@scaleengine.com) by mx1.scaleengine.net (Postfix) with ESMTPSA id DE03EBA45 for ; Fri, 16 Dec 2016 17:23:09 +0000 (UTC) Subject: Re: [Bug 215344] Kernel problems To: freebsd-doc@freebsd.org References: From: Allan Jude Message-ID: Date: Fri, 16 Dec 2016 12:22:42 -0500 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="AGR59wVNriaTbq3HkihlCBDfA7dnTCFFX" X-BeenThere: freebsd-doc@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Documentation project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Dec 2016 17:23:17 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --AGR59wVNriaTbq3HkihlCBDfA7dnTCFFX Content-Type: multipart/mixed; boundary="w9sJ6XnpL3cfLwTxig5EbkXO61gPXRaKV"; protected-headers="v1" From: Allan Jude To: freebsd-doc@freebsd.org Message-ID: Subject: Re: [Bug 215344] Kernel problems References: In-Reply-To: --w9sJ6XnpL3cfLwTxig5EbkXO61gPXRaKV Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 2016-12-16 12:12, bugzilla-noreply@freebsd.org wrote: > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D215344 >=20 > Bug ID: 215344 > Summary: Kernel problems > Product: Documentation > Version: Latest > Hardware: Any > OS: Any > Status: New > Severity: Affects Only Me > Priority: --- > Component: Documentation > Assignee: freebsd-doc@FreeBSD.org > Reporter: tschweikle@gmail.com >=20 > https://www.freebsd.org/doc/handbook/kernelconfig-trouble.html >=20 > Tells how to replace a kernel with an older one. But it does not descri= be hot > to boot an older kernel it the newer on does not work or crashes. >=20 > It is a bad mistake to think you'll have a running system in front of y= ou. You > might have a crashing system in front of you and you are forced to boot= an old > kernel. It should describe how to do this. >=20 > After you managed to boot you crashing system agein, you'll be able to = replace > the new, crashing kernel with an old one. >=20 The beastie loader menu has a menu option to load kernel.old Otherwise, drop to the loader prompt, and type: unload load /boot/myoldkernel/kernel boot --=20 Allan Jude --w9sJ6XnpL3cfLwTxig5EbkXO61gPXRaKV-- --AGR59wVNriaTbq3HkihlCBDfA7dnTCFFX Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (MingW32) iQIcBAEBAgAGBQJYVCL2AAoJEBmVNT4SmAt+AmcQANgtLB34sVSKcSj1WgwX8KTd iOcysaHaNYbkRRN+SjjY5Rk9OGJ35lp5afh/LcNPM0K71/iKNZSIdLlo7e7Qh0Rq EYPOZn9cK6qbuJARmhLbo7YjKdspdQLwLAmhDu17TxrXPcqxXJTqbIxg1ynYB5Oh ff3+0CymzqjRP2RKN7dQ8yhzWzrGGlrFPbu5SC725CB+OXnSbW6XFBA9b6oTZ3Eq fZoaHkJP7+tDwDWk/rlbFt73mawNo8axx93ZbzYxc7TUrF9ISyBUNWSDGDLItmI9 HbkE5DWqMbgiEeTrWC+AtmypelZFenKcX7AhJMrCYGtmtaEBqF7hMhpawErYcx5E hq96/xDS8M/5Gv/6GIpeuraOm72UyOdIQSFx0s+YpPNMW60/X9SshRhUHiufsQCl i6HCgws7bbl3I27s0ry2VAYM6+A4NYFpAfeyt3cIrHNFNeV/jSvxTWWOqHyah6yB g4JQlWiBYNZPCKxRIEgD/TwE5wefufp8sDYs+TmyweWrjfhD4oeOdmqwenwoygWD g9cM88eDDjF1WuVxUgXNavigj8RMXhd/Kc/7BAeJy+oKZdoOELdtt2C7OIvyCus0 WACA/Km/WfCVdl7syEzi0fAIO05oFZ3PzEPMUlN0NecEEzL4nQfvFyR/630del5T PnFMNUr8rGzZ7CLo0ziE =eO9B -----END PGP SIGNATURE----- --AGR59wVNriaTbq3HkihlCBDfA7dnTCFFX--